Year % gross 1970 0.281179994344711 1990 35.3960914611816 1991 37.9556503295898 1992 42.1440505981445 1993 40.838451385498 1994 39.4668388366699 2000 35.3173599243164 2002 41.234489440918 2010 102.352989196777 2011 101.705093383789 2012 93.2700119018555 2013 91.9098434448242 2014 93.9486312866211 2015 93.4911880493164 2016 96.9835662841797 2017 97.8113784790039 2018 83.3338928222656 2019 92.2547225952148